单项选择题
How many languages can be installed for the Cisco Agent Desktop (CAD) and the Cisco Supervisor Desktop （）.
A.one language for both the CAD and the CSD B.one language for the CAD and a different language for the CSD C.two languages for the CAD and one language for the CSD D.two languages for both the CAD and the CSD
判断题 电动座椅故障主要包括电路和机械两方面故障。
单项选择题 Given that the elements of a PriorityQueue are ordered according to natural ordering，and： What is the result？（）
判断题 即使数据集中只有一个数据表，该表的名称也要区分大小写。
